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Cleveland-Cliffs Burns Harbor LLC - Gary Plate

Blast Furnaces And Steel Mills, Gary, Indiana. NPDES permit IN0062197, in force until Oct 31, 2030. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (12 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (12)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .008 mg/Lall year
Chlorine, total residualdaily maximum< .06 mg/Lall year
Chlorine, total residualmonthly average≤ .4 lb/dall year
Chlorine, total residualdaily maximum< 3.01 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

Cited limits by parameter: Indiana's rules and the federal ones.

Same industry: the 54 Primary Metal Industries permits in Indiana.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0062197 · MCP: https://passage-data.com/mcp